I've only seen a pic of one with the rudder panel itself painted as a Puerto Rican flag and PR tail letters, standard markings and the squadron logo on the intake I believe. It was in an Air National Guard book from the Power Projection series, circa 1987.

I am the crew chief that received this a/c from Puerto Rico. when it came to us the Anniversary scheme had all ready been painted over. all that i can remember is that in the reflection it had a large circle saying something about 50th inside it on the tail. like i said it was painted over. sorry no more help. it was a sad day to see it fly off to DM.

The one I saw definitely had the PR flag on the whole rudder panel, still fairly certain that the squadron markings were on the inlet. The pic was probably from when they first got them- it was a nice picture, wish I still had that ANG book.